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データを開く
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基本情報
登録情報 | データベース: PDB / ID: 3zif | ||||||
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タイトル | Cryo-EM structures of two intermediates provide insight into adenovirus assembly and disassembly | ||||||
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![]() | VIRUS / ASSEMBLY INTERMEDIATE | ||||||
機能・相同性 | ![]() hexon binding / viral capsid, decoration / T=25 icosahedral viral capsid / microtubule-dependent intracellular transport of viral material towards nucleus / viral process / endocytosis involved in viral entry into host cell / viral capsid / symbiont entry into host cell / host cell nucleus / virion attachment to host cell / structural molecule activity 類似検索 - 分子機能 | ||||||
生物種 | ![]() | ||||||
手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 4.5 Å | ||||||
![]() | Cheng, L. / Huang, X. / Li, X. / Xiong, W. / Sun, W. / Yang, C. / Zhang, K. / Wang, Y. / Liu, H. / Ji, G. ...Cheng, L. / Huang, X. / Li, X. / Xiong, W. / Sun, W. / Yang, C. / Zhang, K. / Wang, Y. / Liu, H. / Ji, G. / Sun, F. / Zheng, C. / Zhu, P. | ||||||
![]() | ![]() タイトル: Cryo-EM structures of two bovine adenovirus type 3 intermediates. 著者: Lingpeng Cheng / Xiaoxing Huang / Xiaomin Li / Wei Xiong / Wei Sun / Chongwen Yang / Kai Zhang / Ying Wang / Hongrong Liu / Xiaojun Huang / Gang Ji / Fei Sun / Congyi Zheng / Ping Zhu / ![]() 要旨: Adenoviruses (Ads) infect hosts from all vertebrate species and have been investigated as vaccine vectors. We report here near-atomic structures of two bovine Ad type 3 (BAd3) intermediates obtained ...Adenoviruses (Ads) infect hosts from all vertebrate species and have been investigated as vaccine vectors. We report here near-atomic structures of two bovine Ad type 3 (BAd3) intermediates obtained by cryo-electron microscopy. A comparison between the two intermediate structures reveals that the differences are localized in the fivefold vertex region, while their facet structures are identical. The overall facet structure of BAd3 exhibits a similar structure to human Ads; however, BAd3 protein IX has a unique conformation. Mass spectrometry and cryo-electron tomography analyses indicate that one intermediate structure represents the stage during DNA encapsidation, whilst the other intermediate structure represents a later stage. These results also suggest that cleavage of precursor protein VI occurs during, rather than after, the DNA encapsidation process. Overall, our results provide insights into the mechanism of Ad assembly, and allow the first structural comparison between human and nonhuman Ads at backbone level. | ||||||
履歴 |
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Remark 700 | SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AK" IN EACH CHAIN ON SHEET RECORDS BELOW ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AK" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 6-STRANDED BARREL THIS IS REPRESENTED BY A 7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "DK" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 6-STRANDED BARREL THIS IS REPRESENTED BY A 7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "GK" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 6-STRANDED BARREL THIS IS REPRESENTED BY A 7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "JK" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 6-STRANDED BARREL THIS IS REPRESENTED BY A 7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. |
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構造の表示
ムービー |
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構造ビューア | 分子: ![]() ![]() |
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ダウンロードとリンク
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ダウンロード
PDBx/mmCIF形式 | ![]() | 2 MB | 表示 | ![]() |
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PDB形式 | ![]() | 1.7 MB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 1.4 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 2.2 MB | 表示 | |
XML形式データ | ![]() | 405.3 KB | 表示 | |
CIF形式データ | ![]() | 577.8 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
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リンク
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集合体
登録構造単位 | ![]()
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対称性 | 点対称性: (シェーンフリース記号: I (正20面体型対称)) |
非結晶学的対称性 (NCS) | NCS oper: (Code: given / Matrix: (1), |
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要素
#1: タンパク質 | 分子量: 103148.008 Da / 分子数: 12 / 由来タイプ: 天然 / 由来: (天然) ![]() #2: タンパク質 | | 分子量: 55135.320 Da / 分子数: 1 / 由来タイプ: 天然 / 由来: (天然) ![]() #3: タンパク質 | 分子量: 13719.456 Da / 分子数: 4 / 由来タイプ: 天然 / 由来: (天然) ![]() #4: タンパク質 | | 分子量: 23746.486 Da / 分子数: 1 / 由来タイプ: 天然 / 由来: (天然) ![]() |
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-実験情報
-実験
実験 | 手法: 電子顕微鏡法 |
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EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
構成要素 | 名称: BOVINE ADENOVIRUS TYPE 3 / タイプ: VIRUS |
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緩衝液 | 名称: PBS / 詳細: PBS |
試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
試料支持 | 詳細: HOLEY CARBON |
急速凍結 | 装置: FEI VITROBOT MARK II / 凍結剤: ETHANE / 詳細: LIQUID ETHAN |
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電子顕微鏡撮影
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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顕微鏡 | モデル: FEI TITAN KRIOS / 日付: 2011年2月2日 |
電子銃 | 電子線源: TUNGSTEN HAIRPIN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
電子レンズ | モード: BRIGHT FIELD / 倍率(公称値): 75000 X / 倍率(補正後): 125390 X / 最大 デフォーカス(公称値): 3500 nm / 最小 デフォーカス(公称値): 1000 nm / Cs: 2.7 mm |
撮影 | 電子線照射量: 25 e/Å2 / フィルム・検出器のモデル: GENERIC GATAN |
画像スキャン | デジタル画像の数: 1275 |
放射波長 | 相対比: 1 |
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解析
EMソフトウェア |
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CTF補正 | 詳細: INDIVIDUAL IMAGES | ||||||||||||
対称性 | 点対称性: I (正20面体型対称) | ||||||||||||
3次元再構成 | 手法: CROSS-COMMON LINES / 解像度: 4.5 Å / 粒子像の数: 11910 / ピクセルサイズ(実測値): 1.16 Å 詳細: SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2273. (DEPOSITION ID: 11337). 対称性のタイプ: POINT | ||||||||||||
精密化 | 最高解像度: 4.5 Å | ||||||||||||
精密化ステップ | サイクル: LAST / 最高解像度: 4.5 Å
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